Polasetiki le rabara ke tsa thepa e le 'ngoe ea polymer {0 0}} a tiile, a thata haholo 'me a ke ke a otloloha le ho felisoa,' me ha a ne a ka khutlisetsoa hape, a ka atoloha a le joalo ka rabara a ke ke a nchafatsoa ka kotloloho {7}] E ka sebetsoa feela rabara hape pele e fumaneha, kahoo e bona mona ho utloisisa kamano ea bona e haufi ka lebaka la sebopeho sa eona, pele
1) Rabara e nang le motlakase ke mokhanni ea futsanehileng oa mocheso, 'me ho na le mofuta oa hae o futhumetseng o ka bang 2 {7} {7} Ho tšoants'oa hoa ho hahuoa ho tla ntlafala haholoanyane, 'me ho na le tloaelo e futhumatsang e tla fokotsoa ho li-wat tsa 0,4 ~ 2.0. Likarolo life kapa life tsa rabara tse sebelisoang li ka hlahisa mocheso ka lebaka la tahlehelo ea HYSTERESIS, kahoo tlhokomelo e lokela ho nkuoa hore e futhumale.
Kameho e kholo ea mahala pakeng tsa liketane tsa lipalesa tsa rabara, e leng molumo oa likarolo tse 0}} 1 {0 5}} 2 ~ 3. Mokhoa oa The Shrinkage oa li-ruribers tse fapaneng: fluorobber> Nicle Rubber> Neoprene Soick> Neoprene Indasteri e na le thekiso ea lidolara tse fetang limilione tse 250, ho na le lihlahisoa tsa rabara lio e bile thepa ea bohlokoa khoebong ea machabeng. 'Masara a Lefatše, Lihlahisoa tsa Rubōpi li thehile mabili e le setsi, li shebile lintho tsa letsatsi le letsatsi tse kang lieta tsa rabara le bophelo bo botle.